diff options
Diffstat (limited to 'shared/via_video.c')
-rw-r--r-- | shared/via_video.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/shared/via_video.c b/shared/via_video.c deleted file mode 100644 index d79ee028..00000000 --- a/shared/via_video.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright 2005 Thomas Hellstrom. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sub license, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * THE AUTHOR(S), AND/OR THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Thomas Hellstrom 2005. - * - * Video and XvMC related functions. - */ - -#include "via.h" -#include "drmP.h" -#include "via_drm.h" -#include "via_drv.h" - -void -via_init_futex(drm_via_private_t *dev_priv) -{ - unsigned int i; - - DRM_DEBUG("%s\n", __FUNCTION__); - - for (i = 0; i < VIA_NR_XVMC_LOCKS; ++i) { - DRM_INIT_WAITQUEUE(&(dev_priv->decoder_queue[i])); - XVMCLOCKPTR(dev_priv->sarea_priv, i)->lock = 0; - } -} - -void -via_cleanup_futex(drm_via_private_t *dev_priv) -{ -} - -void -via_release_futex(drm_via_private_t *dev_priv, int context) -{ - unsigned int i; - volatile int *lock; - - if (!dev_priv->sarea_priv) - return; - - for (i=0; i < VIA_NR_XVMC_LOCKS; ++i) { - lock = (int *) XVMCLOCKPTR(dev_priv->sarea_priv, i); - if ( (_DRM_LOCKING_CONTEXT( *lock ) == context)) { - if (_DRM_LOCK_IS_HELD( *lock ) && (*lock & _DRM_LOCK_CONT)) { - DRM_WAKEUP( &(dev_priv->decoder_queue[i])); - } - *lock = 0; - } - } -} - -int -via_decoder_futex(DRM_IOCTL_ARGS) -{ - DRM_DEVICE; - drm_via_futex_t fx; - volatile int *lock; - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - drm_via_sarea_t *sAPriv = dev_priv->sarea_priv; - int ret = 0; - - DRM_DEBUG("%s\n", __FUNCTION__); - - DRM_COPY_FROM_USER_IOCTL(fx, (drm_via_futex_t __user *) data, - sizeof(fx)); - - if (fx.lock > VIA_NR_XVMC_LOCKS) - return -EFAULT; - - lock = (int *)XVMCLOCKPTR(sAPriv, fx.lock); - - switch (fx.func) { - case VIA_FUTEX_WAIT: - DRM_WAIT_ON(ret, dev_priv->decoder_queue[fx.lock], - (fx.ms / 10) * (DRM_HZ / 100), *lock != fx.val); - return ret; - case VIA_FUTEX_WAKE: - DRM_WAKEUP(&(dev_priv->decoder_queue[fx.lock])); - return 0; - } - return 0; -} - |